uncia
[
uhn
-shee-
uh
]
/ˈʌn ʃi ə/
noun
,
plural
unciae
[
uhn
-shee-ee]
/ˈʌn ʃiˌi/
(
Show IPA
)
1.
a bronze coin of ancient Rome, the 12th part of an as.
2.
(in prescriptions) an ounce of weight or volume.
Origin
1685-95;
<
Latin:
a twelfth part, akin to
ūnus
one; cf.
inch
1